* Fixes persistence of show/hide contact list. Now the application remembers the user choice no matter how the application was shown or hidden.
  * Other recent changes in earlier versions:
  * - Check if the UIService is already visible before setting it to visible.
  * - Add H263+ video codec.
  * - Fix RTP timestamp problem with speex, reported on the mailing with the subject "Outgoing Speex packets have incorrect RTP timestamp".
  * - Fix build.
  * - Commit from translate.sip-communicator.org by user acastroy.: 923 of 923 messages translated (0 fuzzy).
  * - Commit from translate.sip-communicator.org by user emcho.: 923 of 923 messages translated (0 fuzzy).
  * - Added a more appropriate AIM user name example in the AIM create account form.
  * - Fix race condition in ZRTP state engine
  * - Removes support for IRC since we can have a more decent implementation one day. The code is still on SVN so whoever needs it can easily reenable it.
  * - Fix setting custom status messages and enable msn to set status messages.
  * - Fixes an issue with disappearing contact list window on MacOSX, reported on users mailing list by James Ward. Mac users would be now able to show the contact list window at any time by clicking on the dock icon.
  * - Fixes systray service.
  * - Removes support for IRC since we can have a more decent implementation one day. The code is still on SVN so whoever needs it can easily reenable it.
  * - Removes support for IRC since we can have a more decent implementation one day. The code is still on SVN so whoever needs it can easily reenable it.
  * - Use the OperationSetDesktopSharingServer from the beginning of the call instead of first using the streaming operation set and once remote control is enabled moving to the sharing operation set, thus fixing NullPointerException in mouse coordinates parsing during a sharing. 
  * - Remove two system out prints used for testing.
  * - Remove two system out prints used for testing.
  * - Disable Desktop sharing and Video Telephony menu items if the corresponding operation sets aren't available.
  * - Fixes error message rendering.
  * - Add some extra space on the left of chat write area.
  * - Handles 180 SIP responses arriving after a 183 by not starting a local audio notification since the 183 means the server is already sending one.
  * - Remove unused string.
  * - Makes Session Progress messages interrupt locally played alerts. Some SIP servers send both 180 and 183 responses which causes for simultaneous rings. Problem reported by Fabio Telme
  * - Mutes deprecation resulting from Apple deprecating their own JRE
  * - Disables G.722 because it seems to malfunction.
  * - Commits work in progress on enabling ICE support in Jingle calls. Allows video to be started in a call which has been established with audio only.
  * - Fixes issue #871: Early media seems not to work in some cases, by making sure we start the media handler when handling 'Session Progress' responses
  * - Attempts to fix a problem related to RTPManager which causes G.722 calls to fail after the first such has succeeded.
  * - Fixes F2 on Windows and Linux.
  * - Add g722 JNI libraries for Freebsd (32-bit and 64-bit) and Windows (32-bit and 64-bit).
  * - Fix for F2 key not working in contact list. F2 now properly opens the rename dialog when a contact or group has been selected.
  * - Fix for F2 key not working in contact list. F2 now properly opens the rename dialog when a contact or group has been selected.
  * - Remove unused import.
  * - Binaries for g722 linux, linux-amd64, macos universal.